I. SPPQ DATA PACKAGE INFORMATION
Date: 2025-08-14
Article Title: �Co-operation in polarized legislature: Learning from the case of the Texas State House of Representatives� (SPPQ-2025-0005.R2) (with optional revisions for R2 and corrected version of Table 4)
Authors:
Emma Crewe, SOAS University of London ec15@soas.ac.uk
Michelle M. Taylor-Robinson, Texas A&M University m-taylor11@tamu.edu 
II. COMPUTE ENVIRONMENT
R version 4.4.2
Running under: Windows 10
Estimated Run Time: less than 5 minutes
III. FILE LIST
DATA
1. CoauthorNetwork.xlsx � This dataset has a row and a column for each of the 148 Representatives included in the network analysis of bill coauthorship.  Cell values indicate the number of times that a Representative (last name is in Column A) co-authored a bill 1st authored by each of the other Representatives (last name is in Columns B � ES). This dataset is the basis for calculating the CApartyEI scores and CApartyEIout scores.
2. JointAuthorNetwork.xlsx -- This dataset has a row and a column for each of the 148 Representatives included in the network analysis of bill joint authorship.  Cell values indicate the number of times that a Representative (last name is in Column A) signed on as a joint author of a bill 1st authored by each of the other Representatives (last name is in Columns B � ES). This dataset is the basis for calculating the JApartyEI scores.
3. (Aug14)CLEANRepAttributes.xlsx � contains attributes associated with each legislator that are the IVs in the regressions presented in Table 4
CODE
4. (clean)Replication_script_Aug14.R � script that reproduces all results and figures reported in the main article and the histograms in the appendix  (PLEASE NOTE: Section headings of �Race/ethnicity & sex of Reps:� and �Caucus membership:� were added to Table 4 for clarity of presentation.  In addition, variable labels were updated or lengthened to multi-word labels in Table 4 for clarity: �Black� was changed to �African American� and �TermSeniority� was changed to �Seniority�, �EnergyClimateCaucus� was changed to �Energy & Climate�, �ITCaucus� was changed to �Innovation & Technology�, �ChildCaucus� was changed to Early Childhood�, and �ComChair� was changed to �Committee Chair�. These clarifications were added when the table was created as an Excel document for the manuscript.)
DOCUMENTATION
5. Codebook for SPPQ replication(Crewe and Taylor-Robinson).pdf � description of variables contained in each of the Excel data files, including data sources.

